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HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Runĭelete all instances of the following registry keys in the following locations: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\OfficeScanNT HKEY_LOCAL_MACHINE\SOFTWARE\TrendMicro\PC-cillinNTCorp HKEY_LOCAL_MACHINE\SOFTWARE\TrendMicro\OfcWatchDog HKEY_LOCAL_MACHINE\SOFTWARE\TrendMicro\NSC If there are other Trend Micro products installed: If only the OfficeScan client program is installed: Incorrect changes to the registry can cause serious system problems.
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Important: Always make a back up copy of the whole registry before making any modifications. Note: The services will already be stopped if you were able to unload the OfficeScan client in Step 1.Ĭlick Start > Programs, right-click on Trend Micro OfficeScan Client then click Delete. Open the Windows Services console (services.msc). If you do not know the password, skip this step. If you are asked for a password, enter the unload password then click OK. Right-click on the OfficeScan system tray icon then select Unload OfficeScan. Note: Make sure you have logged on using an account with Administrator privileges.
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